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Diffstat (limited to 'WebCore/platform/graphics/SimpleFontData.h')
| -rw-r--r-- | WebCore/platform/graphics/SimpleFontData.h | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/WebCore/platform/graphics/SimpleFontData.h b/WebCore/platform/graphics/SimpleFontData.h deleted file mode 100644 index 90713af..0000000 --- a/WebCore/platform/graphics/SimpleFontData.h +++ /dev/null @@ -1,339 +0,0 @@ -/* - * This file is part of the internal font implementation. - * - * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved. - * Copyright (C) 2007-2008 Torch Mobile, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#ifndef SimpleFontData_h -#define SimpleFontData_h - -#include "FontBaseline.h" -#include "FontData.h" -#include "FontPlatformData.h" -#include "FloatRect.h" -#include "GlyphMetricsMap.h" -#include "GlyphPageTreeNode.h" -#include "TypesettingFeatures.h" -#include <wtf/OwnPtr.h> -#include <wtf/PassOwnPtr.h> - -#if USE(ATSUI) -typedef struct OpaqueATSUStyle* ATSUStyle; -#endif - -#if PLATFORM(MAC) || USE(CORE_TEXT) -#include <wtf/RetainPtr.h> -#endif - -#if (PLATFORM(WIN) && !OS(WINCE)) \ - || (OS(WINDOWS) && PLATFORM(WX)) -#include <usp10.h> -#endif - -#if PLATFORM(CAIRO) -#include <cairo.h> -#endif - -#if PLATFORM(QT) -#include <QFont> -#endif - -#if PLATFORM(HAIKU) -#include <Font.h> -#endif - -namespace WebCore { - -class FontDescription; -class SharedBuffer; -class SVGFontData; - -enum FontDataVariant { AutoVariant, NormalVariant, SmallCapsVariant, EmphasisMarkVariant }; -enum Pitch { UnknownPitch, FixedPitch, VariablePitch }; - -class SimpleFontData : public FontData { -public: - SimpleFontData(const FontPlatformData&, bool isCustomFont = false, bool isLoading = false); -#if ENABLE(SVG_FONTS) - SimpleFontData(PassOwnPtr<SVGFontData>, int size, bool syntheticBold, bool syntheticItalic); -#endif - virtual ~SimpleFontData(); - - const FontPlatformData& platformData() const { return m_platformData; } - - SimpleFontData* smallCapsFontData(const FontDescription&) const; - SimpleFontData* emphasisMarkFontData(const FontDescription&) const; - - SimpleFontData* variantFontData(const FontDescription& description, FontDataVariant variant) const - { - switch (variant) { - case SmallCapsVariant: - return smallCapsFontData(description); - case EmphasisMarkVariant: - return emphasisMarkFontData(description); - case AutoVariant: - case NormalVariant: - break; - } - ASSERT_NOT_REACHED(); - return const_cast<SimpleFontData*>(this); - } - - SimpleFontData* brokenIdeographFontData() const; - - // FIXME: Use the actual metrics for fonts with vertical tables instead of just hard-coding. If the font is horizontally oriented or - // a broken ideographic font, then just hard-code to split ascent/descent down the middle. Otherwise we should actually use the metrics - // from the font itself. - int ascent(FontBaseline baselineType = AlphabeticBaseline) const { return baselineType == AlphabeticBaseline ? m_ascent : height() - height() / 2; } - int descent(FontBaseline baselineType = AlphabeticBaseline) const { return baselineType == AlphabeticBaseline ? m_descent : height() / 2; } - int height() const { return m_ascent + m_descent; } - int lineSpacing() const { return m_lineSpacing; } - int lineGap() const { return m_lineGap; } - float maxCharWidth() const { return m_maxCharWidth; } - float avgCharWidth() const { return m_avgCharWidth; } - float xHeight() const { return m_xHeight; } - unsigned unitsPerEm() const { return m_unitsPerEm; } - - FloatRect boundsForGlyph(Glyph) const; - float widthForGlyph(Glyph glyph) const; - FloatRect platformBoundsForGlyph(Glyph) const; - float platformWidthForGlyph(Glyph) const; - - float spaceWidth() const { return m_spaceWidth; } - float adjustedSpaceWidth() const { return m_adjustedSpaceWidth; } - -#if PLATFORM(CG) || PLATFORM(CAIRO) || PLATFORM(WX) - float syntheticBoldOffset() const { return m_syntheticBoldOffset; } -#endif - - Glyph spaceGlyph() const { return m_spaceGlyph; } - bool isZeroWidthSpaceGlyph(Glyph glyph) const { return glyph == m_zeroWidthSpaceGlyph && glyph; } - - virtual const SimpleFontData* fontDataForCharacter(UChar32) const; - virtual bool containsCharacters(const UChar*, int length) const; - - void determinePitch(); - Pitch pitch() const { return m_treatAsFixedPitch ? FixedPitch : VariablePitch; } - -#if ENABLE(SVG_FONTS) - SVGFontData* svgFontData() const { return m_svgFontData.get(); } - bool isSVGFont() const { return m_svgFontData; } -#else - bool isSVGFont() const { return false; } -#endif - - virtual bool isCustomFont() const { return m_isCustomFont; } - virtual bool isLoading() const { return m_isLoading; } - virtual bool isSegmented() const; - - bool isBrokenIdeographFont() const { return m_isBrokenIdeographFont; } - - const GlyphData& missingGlyphData() const { return m_missingGlyphData; } - -#ifndef NDEBUG - virtual String description() const; -#endif - -#if PLATFORM(MAC) || (PLATFORM(CHROMIUM) && OS(DARWIN)) - NSFont* getNSFont() const { return m_platformData.font(); } -#elif (PLATFORM(WX) && OS(DARWIN)) - NSFont* getNSFont() const { return m_platformData.nsFont(); } -#endif - -#if PLATFORM(MAC) || USE(CORE_TEXT) - CFDictionaryRef getCFStringAttributes(TypesettingFeatures) const; -#endif - -#if USE(ATSUI) - void checkShapesArabic() const; - bool shapesArabic() const - { - if (!m_checkedShapesArabic) - checkShapesArabic(); - return m_shapesArabic; - } -#endif - -#if PLATFORM(QT) - QFont getQtFont() const { return m_platformData.font(); } -#endif - -#if PLATFORM(WIN) || (OS(WINDOWS) && PLATFORM(WX)) - bool isSystemFont() const { return m_isSystemFont; } -#if !OS(WINCE) // disable unused members to save space - SCRIPT_FONTPROPERTIES* scriptFontProperties() const; - SCRIPT_CACHE* scriptCache() const { return &m_scriptCache; } -#endif - static void setShouldApplyMacAscentHack(bool); - static bool shouldApplyMacAscentHack(); -#endif - -#if PLATFORM(WX) - wxFont* getWxFont() const { return m_platformData.font(); } -#endif - - FontOrientation orientation() const { return m_orientation; } - -private: - void platformInit(); - void platformGlyphInit(); - void platformCharWidthInit(); - void platformDestroy(); - - void initCharWidths(); - - void commonInit(); - - SimpleFontData* scaledFontData(const FontDescription&, float scaleFactor) const; - -#if (PLATFORM(WIN) && !OS(WINCE)) \ - || (OS(WINDOWS) && PLATFORM(WX)) - void initGDIFont(); - void platformCommonDestroy(); - FloatRect boundsForGDIGlyph(Glyph glyph) const; - float widthForGDIGlyph(Glyph glyph) const; -#endif - - int m_ascent; - int m_descent; - int m_lineSpacing; - int m_lineGap; - float m_maxCharWidth; - float m_avgCharWidth; - float m_xHeight; - unsigned m_unitsPerEm; - - FontOrientation m_orientation; // This is our supported orientation according to the tables in the font. FontPlatformData will just always have the desired orientation. - // This value represents what we actually support. - - FontPlatformData m_platformData; - - mutable OwnPtr<GlyphMetricsMap<FloatRect> > m_glyphToBoundsMap; - mutable GlyphMetricsMap<float> m_glyphToWidthMap; - - bool m_treatAsFixedPitch; - -#if ENABLE(SVG_FONTS) - OwnPtr<SVGFontData> m_svgFontData; -#endif - - bool m_isCustomFont; // Whether or not we are custom font loaded via @font-face - bool m_isLoading; // Whether or not this custom font is still in the act of loading. - bool m_isBrokenIdeographFont; - - Glyph m_spaceGlyph; - float m_spaceWidth; - float m_adjustedSpaceWidth; - - Glyph m_zeroWidthSpaceGlyph; - - GlyphData m_missingGlyphData; - - struct DerivedFontData { - static PassOwnPtr<DerivedFontData> create(bool forCustomFont); - ~DerivedFontData(); - - bool forCustomFont; - OwnPtr<SimpleFontData> smallCaps; - OwnPtr<SimpleFontData> emphasisMark; - OwnPtr<SimpleFontData> brokenIdeograph; - - private: - DerivedFontData(bool custom) - : forCustomFont(custom) - { - } - }; - - mutable OwnPtr<DerivedFontData> m_derivedFontData; - -#if PLATFORM(CG) || PLATFORM(CAIRO) || PLATFORM(WX) - float m_syntheticBoldOffset; -#endif - -#ifdef BUILDING_ON_TIGER -public: - void* m_styleGroup; - -private: -#endif - -#if USE(ATSUI) -public: - mutable HashMap<unsigned, ATSUStyle> m_ATSUStyleMap; - mutable bool m_ATSUMirrors; - mutable bool m_checkedShapesArabic; - mutable bool m_shapesArabic; - -private: -#endif - -#if PLATFORM(MAC) || USE(CORE_TEXT) - mutable HashMap<unsigned, RetainPtr<CFDictionaryRef> > m_CFStringAttributes; -#endif - -#if PLATFORM(WIN) || (OS(WINDOWS) && PLATFORM(WX)) - bool m_isSystemFont; -#if !OS(WINCE) // disable unused members to save space - mutable SCRIPT_CACHE m_scriptCache; - mutable SCRIPT_FONTPROPERTIES* m_scriptFontProperties; -#endif -#endif -}; - - -#if !PLATFORM(QT) -ALWAYS_INLINE FloatRect SimpleFontData::boundsForGlyph(Glyph glyph) const -{ - if (isZeroWidthSpaceGlyph(glyph)) - return FloatRect(); - - FloatRect bounds; - if (m_glyphToBoundsMap) { - bounds = m_glyphToBoundsMap->metricsForGlyph(glyph); - if (bounds.width() != cGlyphSizeUnknown) - return bounds; - } - - bounds = platformBoundsForGlyph(glyph); - if (!m_glyphToBoundsMap) - m_glyphToBoundsMap = adoptPtr(new GlyphMetricsMap<FloatRect>); - m_glyphToBoundsMap->setMetricsForGlyph(glyph, bounds); - return bounds; -} - -ALWAYS_INLINE float SimpleFontData::widthForGlyph(Glyph glyph) const -{ - if (isZeroWidthSpaceGlyph(glyph)) - return 0; - - float width = m_glyphToWidthMap.metricsForGlyph(glyph); - if (width != cGlyphSizeUnknown) - return width; - - width = platformWidthForGlyph(glyph); - m_glyphToWidthMap.setMetricsForGlyph(glyph, width); - return width; -} -#endif - -} // namespace WebCore - -#endif // SimpleFontData_h |